Basic HTML Version
Audio Visual Board Assembly
A-20516-50065
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J602
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JSOS
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JS04
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J601
34-pin ribbon cable Data tolfrom CPU J202.
J504-1 BlK-YEl
Signal to speaker.
J504-2 KEY
J602
26-pin ribbon cable Data to/from CPU J201.
J504-3 N/C
J504-4 BlK
Signal to speaker.
J603
14-pin ribbon cable Data tolfrom Dot Matrix Display
Driver board.
J505-1 BlK-YEl
Signal to speaker.
J505-2 KEY
J604-1 ORG
+125V to Dot Matrix Display
J505-3 N/C
J604-2 BlU
+113V to Dot Matrix Display
J505-4 BlK
Signal to speaker.
J604-3 KEY
J604-4 BlK
Ground to Dot Matrix Display
J604-5 BlK
Ground to Dot Matrix Display
J604-6 GRY
+5V to Dot Matrix Display
J604-7 GRY-YEl
+12V to Dot Matrix Display
J604-8 BRN
+62V to Dot Matrix Display
J605-1 WHT
80VAC from transformer secondary.
J605-2 WHT
80VAC from transformer secondary.
J605-3 VIO
100VAC from transformer secondary.
J605-4 VIO
100VAC from transformer secondary.
J605-5 GRY-WHT 18VAC from transformer secondary.
J605-6 GRY-WHT loop from J605-7.
J605-7 GRY
18VAC from transformer secondary.
J605-8 GRY
loop from J605-7.
J605-9 KEY
J605-10 GRY-GRN 18VAC from transformer secondary.
J605-11 GRY-GRN loop from J605-10.
J606-1 BlK
Ground form Power Driver brd J101-7.
J606-2 KEY
J606-3 BlK
Ground from Power Driver brd J101-5.
J606-4 GRY
+5V from Power Driver board J101-4.
J606-5 GRY
+5V from Power Driver board J101-3.
J606-6 GRY-GRN +12V from Power Driver board J101-2.
J606-7 GRY-GRN +12V from Power Driver board J101-1.
J607
NOT USED
3-30